Home / 94,081.44-141,635.52-85,814.64

Finding the Fourth Proportional to 94,081.44, 141,635.52 and 85,814.64

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Solution

The fourth proportional to 94,081.44, 141,635.52 and 85,814.64 is: 129,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,081.44 : 141,635.52 = 85,814.64 : x
  2. Step 2: Convert to fraction form
    94,081.44/141,635.52 = 85,814.64/x
  3. Step 3: Cross multiply
    94,081.44x = 141,635.52 × 85,814.64
  4. Step 4: Simplify right side
    94,081.44x = 12,154,401,160.01
  5. Step 5: Solve for x
    x = 12,154,401,160.01/94,081.44
  6. Step 6: Final answer
    x = 129,190.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.